co.jp vs co.uk

co.uk is used by more websites in our catalog: 137 use co.jp and 2,705 use co.uk.

co.jp sites have the higher median Ahrefs Domain Rating (co.jp: 70, co.uk: 31).

Between 2026-06 and 2026-07, co.jp went from 0.02% to 0.02% of all tracked sites, while co.uk went from 0.38% to 0.31%. co.jp is gaining ground faster in our index.

No. A site runs a single DNS provider, so co.jp and co.uk are mutually exclusive.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.